introduce xref_extra_paths
Added R16B01 and R16B02 to travis config.
Bump rebar to 2.2.0 and add proper release notes
Merge pull request #219 from h4cc/patch-1

Added R16B01 and R16B02 to travis config.
Merge pull request #188 from massemanet/xref_extra_path

Xref extra path